Block Diagram - Roland BOSS BR-1600CD Service Notes

Jan.2004

BLOCK DIAGRAM

fig.block
GUITAR BOARD
JK11
JK12
INPUT1(Hi-Z)
INPUT1
CN4
(#02789367)
(#00789789) JWFV 4x400
-P2.0 PHANTOM
POWER+48V
CN11
+
JK18
INPUT1
JK19
INPUT2
JK20
INPUT3
JK21
INPUT4
JK22
INPUT5
JK23
INPUT6
JK24
INPUT7
JK25
INPUT8
CN6
INPUT SENS VR
BNCD-P=1.25
-K-24-120
(#02019834)
CN12
PEAK LED
BNCD-P=1.25
-K-16-220
(#02673245)
CN13
CN7
GAIN BOARD
JK9
MASTER OUTPUT
JK10
PHONES1
BNCD-P=1.25
JK9
PHONES2
(#02673523)
CN8
PHONES BOARD
28
XLR JACK BOARD
JK13 JK14 JK15 JK16 JK17 JK18 JK19
INPUT2 INPUT3 INPUT4 INPUT5 INPUT6 INPUT7 INPUT8
CN11 CN12
BNCD-P=1.25 (#02789367) BNCD-P=1.25 (#03560845)
-K-18-80 -K-18-80
CN16 CN17
IC59
AF-AD
CODEC
AD DATA
DA DATA
AD DATA
IC32
DA DATA
AD DATA
IC64
DA DATA
DSP1
AD DATA
CODEC
DA DATA
MCK
BCK
IC67 LRCK
CODEC
IC72
CODEC
IC17
GA
CN8
-K-16-130
LCD CABLE LCD CABLE
CN14
LCD UNIT
5V POWER
BOARD
MAIN BOARD
CN101
JK4
WIRING DIGITAL I/O
5V POWER
(COAXIAL TYPE)
CN18
D+5V +12V
IC8
128M
SDRAM
IC51
IC33
DIGITAL
DSP2
I/O
IC38
IC34
DRAM
DSP3
16M
CN6
+12V
BNCD-P=1.25
(#02459734)
-K-18-200
CN3
CN9
CN10
LCD BACK
LED
LIGHT CABLE
CN2 (#02900412)
D+5V +12V
WIRING
HDD POWER
HDD
WIRING
HDD IDE
IC3
32M
(#02904623)
CN1
FLASH
CN5
MEM
CD-R
WIRING IDE
(#02902156)
IC53
USB
X2
CONTROLOR
6MHz
X1
5.00976MHz
IC6
CPU
CN7 CN4
BNCD-P=1.25
BNCD-P=1.25
(#03348023) (#02019834)
-K-22-90 -K-24-120
CN2 CN1
SWITCH ENCODER VR
EN
SW BOARD
BR-1600CD
JK6
USB
SW1
POWER SW
JK1
MIDI IN/OUT
JK3
FOOT SW
JK2
EXP PEDAL
29